lpinfo does not show Canon MP530 printer
H. Passer
345678 at gmx.net
Tue Feb 8 01:17:58 PST 2011
Here you see some more debug output:
# lsusb
Bus 001 Device 004: ID 0930:653d Toshiba Corp. Kingston DataTraveler 2.0
Stick (1GB)
Bus 001 Device 003: ID 04a9:1712 Canon, Inc. MP530
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/mnt/sda1/usr/lib/cups/backend# strace -o /tmp/strace-cups-usb.
txt ./usb
DEBUG: list_devices
DEBUG: usb_find_busses=1
DEBUG: usb_find_devices=4
file /tmp/strace-cups-usb.txt:
execve("./usb", ["./usb"], [/* 10 vars */]) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaad000
stat("/etc/ld.so.cache", 0x7fbc20d0) = -1 ENOENT (No such file or
directory)
open("/lib/libusb-0.1.so.4", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libusb-0.1.so.4", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=27676, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\17\260\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 94208, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2aabe000
old_mmap(0x2aabe000, 22260, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2aabe000
old_mmap(0x2aad3000, 7196, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x5000) = 0x2aad3000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libcups.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libcups.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libcups.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libcups.so.2", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0555, st_size=805191, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3, "\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0i
\0\0\0004"..., 4096) = 4096
old_mmap(NULL, 327680, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2aad5000
old_mmap(0x2aad5000, 250036, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2aad5000
old_mmap(0x2ab22000, 9916, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x3d000) = 0x2ab22000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libpthread.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=71532, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0004\300\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 147456, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ab25000
old_mmap(0x2ab25000, 50088, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ab25000
old_mmap(0x2ab41000, 22380, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0xc000) = 0x2ab41000
old_mmap(0x2ab47000, 6768, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ab47000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libcrypt.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=10100, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\4p\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 147456, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ab49000
old_mmap(0x2ab49000, 10020, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ab49000
old_mmap(0x2ab5b000, 1908, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x2000) = 0x2ab5b000
old_mmap(0x2ab5c000, 68176, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ab5c000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libz.so", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=66228, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\20\240\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ab6d000
old_mmap(0x2ab6d000, 65760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ab6d000
old_mmap(0x2ab8d000, 692, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x10000) = 0x2ab8d000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libpng12.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=150300, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0+\320\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 217088, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ab8e000
old_mmap(0x2ab8e000, 148820, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ab8e000
old_mmap(0x2abc2000, 2844, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x24000) = 0x2abc2000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libjpeg.so.62", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=132072, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\35P\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2abc3000
old_mmap(0x2abc3000, 130772, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2abc3000
old_mmap(0x2abe3000, 1000, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x20000) = 0x2abe3000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libgcc_s.so.1", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=64300, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\33\340\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 131072, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2abe4000
old_mmap(0x2abe4000, 62236, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2abe4000
old_mmap(0x2ac03000, 2860, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0xf000) = 0x2ac03000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\252\300\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 487424, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ac04000
old_mmap(0x2ac04000, 396400, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ac04000
old_mmap(0x2ac74000, 8148, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x60000) = 0x2ac74000
old_mmap(0x2ac76000, 19456, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ac76000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libgcc_s.so.1", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=64300, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libpthread.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=71532, ...}) = 0
close(3) = 0
open("/lib/libcrypt.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=10100, ...}) = 0
close(3) = 0
open("/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libz.so", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=66228, ...}) = 0
close(3) = 0
open("/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libpng12.so.0", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libpng12.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=150300, ...}) = 0
close(3) = 0
open("/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libjpeg.so.62", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libjpeg.so.62", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=132072, ...}) = 0
close(3) = 0
open("/lib/libgcc_s.so.1", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=64300, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/lib/libz.so", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/opt/usr/lib/libz.so", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=66228, ...}) = 0
close(3) = 0
open("/lib/libm.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=101700, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x2aaae000
read(3,
"\177ELF\1\2\1\0\0\0\0\0\0\0\0\0\0\3\0\10\0\0\0\1\0\0\0250\0\0\0004"...,
4096) = 4096
old_mmap(NULL, 167936, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x2ac7b000
old_mmap(0x2ac7b000, 101212, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
3, 0) = 0x2ac7b000
old_mmap(0x2aca3000, 3396, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x18000) = 0x2aca3000
close(3) = 0
munmap(0x2aaae000, 4096) = 0
open("/lib/libgcc_s.so.1", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=64300, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libgcc_s.so.1", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=64300, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
open("/lib/libc.so.0", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=401364, ...}) = 0
close(3) = 0
stat("/lib/ld-uClibc.so.0", {st_mode=S_IFREG|0755, st_size=20708, ...}) = 0
mprotect(0x2ab41000, 4096, PROT_READ) = 0
mprotect(0x2ac74000, 4096, PROT_READ) = 0
mprotect(0x2aabc000, 4096, PROT_READ) = 0
ioctl(0, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
getpid() = 1314
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
setrlimit(RLIMIT_STACK, {rlim_cur=2040*1024, rlim_max=RLIM_INFINITY}) = 0
rt_sigaction(SIGRT_0, {SIG_DFL, [RT_66 RT_68 RT_69 RT_73 RT_74 RT_77
RT_81 RT_85], SA_STACK|SA_INTERRUPT|SA_SIGINFO|SA_NOCLDWAIT|0x2b20d84},
NULL, 16) = 0
rt_sigaction(SIGRT_1, {SIG_DFL, [RT_66 RT_68 RT_69 RT_73 RT_74 RT_77
RT_81 RT_85], SA_STACK|SA_INTERRUPT|SA_SIGINFO|SA_NOCLDWAIT|0x2b20c94},
NULL, 16) = 0
rt_sigaction(SIGRT_2, {SIG_DFL, [RT_66 RT_68 RT_69 RT_73 RT_74 RT_77
RT_81 RT_85], SA_STACK|SA_INTERRUPT|SA_SIGINFO|0x2b2fe74}, NULL, 16) = 0
rt_sigprocmask(SIG_BLOCK, [RT_0], NULL, 16) = 0
rt_sigprocmask(SIG_UNBLOCK, [RT_1], NULL, 16) = 0
brk(0) = 0x55564000
brk(0x55565000) = 0x55565000
rt_sigaction(SIGPIPE, {SIG_DFL, [], SA_NOCLDSTOP}, NULL, 16) = 0
write(2, "DEBUG: list_devices\n", 20) = 20
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = -1 ENOENT (No
such file or directory)
open("/proc/bus/usb", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
brk(0x55566000) = 0x55566000
getdents64(3, /* 4 entries */, 4096) = 104
close(3) = 0
open("/proc/bus/usb", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 4 entries */, 4096) = 104
brk(0x55567000) = 0x55567000
getdents64(3, /* 0 entries */, 4096) = 0
close(3) = 0
write(2, "DEBUG: usb_find_busses=", 23) = 23
write(2, "1", 1) = 1
write(2, "\n", 1) = 1
open("/proc/bus/usb/001", O_RDONLY|O_NONBLOCK|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 6 entries */, 4096) = 144
brk(0x55568000) = 0x55568000
open("/proc/bus/usb/001/004", O_RDWR) = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0x7fbbea48) = 0
read(4, "\22\1\2\0\0\0\0@\t0e=\1\0\0\2\3\1", 18) = 18
read(4, "\t\2 \0\1\1\0\200", 8) = 8
read(4, "d\t\4\0\0\2\10\6P\0\7\5\201\2\0\2\0\7\5\2\2\0\2\0", 24) = 24
close(4) = 0
brk(0x55569000) = 0x55569000
open("/proc/bus/usb/001/003", O_RDWR) = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0x7fbbea48) = 0
read(4, "\22\1\2\0\0\0\0@\4\251\27\22\1\5\1\2\3\1", 18) = 18
read(4, "\t\2U\0\3\1\0\300", 8) = 8
read(4,
"\1\t\4\0\0\3\377\0\377\0\7\5\7\2\0\2\0\7\5\210\2\0\2\0\7\5\211\3@\0\v\t"...,
77) = 77
close(4) = 0
brk(0x5556a000) = 0x5556a000
open("/proc/bus/usb/001/002", O_RDWR) = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0x7fbbea48) = 0
read(4, "\22\1\2\0\t\0\1@\5\343\6\10\7\2\0\1\0\1", 18) = 18
read(4, "\t\2\31\0\1\1\0\340", 8) = 8
read(4, "2\t\4\0\0\1\t\0\0\0\7\5\201\3\1\0\f", 17) = 17
close(4) = 0
brk(0x5556b000) = 0x5556b000
open("/proc/bus/usb/001/001", O_RDWR) = 4
ioctl(4, USBDEVFS_CONNECTINFO, 0x7fbbea48) = 0
read(4, "\22\1\2\0\t\0\1@\35k\0\2\2\6\3\2\1\1", 18) = 18
read(4, "\t\2\31\0\1\1\0\340", 8) = 8
read(4, "\0\t\4\0\0\1\t\0\0\0\7\5\201\3\4\0\f", 17) = 17
close(4) = 0
getdents64(3, /* 0 entries */, 4096) = 0
close(3) = 0
open("/proc/bus/usb/001/004", O_RDWR) = 3
ioctl(3, USBDEVFS_IOCTL, 0x7fbc0608) = -1 ENOTTY (Inappropriate ioctl
for device)
close(3) = 0
open("/proc/bus/usb/001/003", O_RDWR) = 3
ioctl(3, USBDEVFS_IOCTL, 0x7fbc0608) = -1 ENOTTY (Inappropriate ioctl
for device)
close(3) = 0
open("/proc/bus/usb/001/002", O_RDWR) = 3
ioctl(3, USBDEVFS_IOCTL, 0x7fbc0608) = 5
close(3) = 0
open("/proc/bus/usb/001/001", O_RDWR) = 3
ioctl(3, USBDEVFS_IOCTL, 0x7fbc0608) = 2
close(3) = 0
write(2, "DEBUG: usb_find_devices=", 24) = 24
write(2, "4", 1) = 1
write(2, "\n", 1) = 1
open("/proc/bus/usb/001/003", O_RDWR) = 3
ioctl(3, USBDEVFS_SETCONFIGURATION, 0x7fbc0b04) = -1 EBUSY (Device or
resource busy)
ioctl(3, USBDEVFS_CLAIMINTERFACE, 0x7fbc0b04) = -1 EBUSY (Device or
resource busy)
close(3) = 0
open("/proc/bus/usb/001/003", O_RDWR) = 3
ioctl(3, USBDEVFS_SETCONFIGURATION, 0x7fbc0b04) = -1 EBUSY (Device or
resource busy)
ioctl(3, USBDEVFS_CLAIMINTERFACE, 0x7fbc0b04) = -1 EBUSY (Device or
resource busy)
close(3) = 0
exit(0) = ?
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